How to Use "rider" with Example Sentences

1. Pedestrian is not a friend of a rider
2. But the latter came with a rider that it was not to be used for the dubai world bail-out .
3. The rider plus the bike is clearly not of a uniform density .
4. Actually , I suppose I need to also estimate the height of this rider .
5. Todos santos , guatemala : a rider takes part in a traditional horse race